stark



'F. R. STARK Dec. 6,1927. v

VENTILATOR Original Filed Sept. 21. 1923 lilfl h lv nl ld l l h l l hlu" "'L n "l l l l I ATTORNEY m n mam Reiaued Dec. 6, 1927.

UNITED TAT S PATENT OFFICE.

mm! a. summer, orcrncheo,

van'rm'ron.

dated Iovember 2, 1:928, Serial 1m 6.99m, filed; September 81, 1938.Application for reissue fled October so, 1w. Serial Ic -827,8.

cl'd l s used in motor vehicles trains and the "like: and is designedparticularly with. referfresh air within the enerico to supply! sametime to draw 11mclmrre and-at t pun aim" therefrom.

It is also an olqect of my invention to [do mechanism for screening theincom.

mg air which has been found particularly desirable when the device isused in tram service, also to provide means for ad ust1ng the size ofthe opening controlling the 1nlet of fresh air, and to so arrange thedevice a Fig. 3 is! mtra-nsverse section taken on iv-8- of Fig. 2, and

lar section. taken onhas 4 is a siml of Fig, 1. Referring. to thedrawings, Arepresents -a casing forming an air duct or channelotthechannel casing and bending the sidesmung.

which imoferably tubular and open at both ends. ends of this casing areretorahlg out upon an angle diagonal to t e axis thereof with the longsides of the tubesupon the outside as shown at a-a, tofacilitate thepassage of. air through the ehaimel.

Upon the inside, or what I shall designate the short side a of thechannel, I pro vide an opening by cutting a slotl' W158 therooi at rightangles, or cutting the bent partial out entirely, to form a central l'fill-- Qtudinll opening into the air channel easing L Fitted into thisopening is a longitudinally extending casing B, having two sides and endwalls closed and the two oppo iteaidce open, one of which extends mtothe linrmairi opening formed in the air channel The B forms an airwayhaving invention relates to ventilators of the open cocation with: thetubular channel A into which fresh air enters. through the end openingsthereof and finds its way.

i into the interior of the car.

A sirpportinsg frame member C receives one side of the casing E thereof.This sup-z porting frame; is pe-ovided with an opening extending throughthe longitudinal center thereof, one side of said opening receiving thecasing. B, which is referred to and the opposite side. b opening intothe interior of the car.

Sliding doors C -C are provided to close the opening b.. These slidingdoors are held in guideways formed by the clips C-C, suitably attachedto the supporting frame member C.

Screens D-J) are secured to' the casing B extending om the openingthrough said frame to the inside of the car. These screens arepreferably of fine mesh; to prevent flying dust particles and the; likefrom passing through the window to the interior of the car;

Extendzimg-trmnsversely of the casing B are a. plurality of stationarypartition walls,

- the central partition E being. straight and positioned mediate thelength of said casmg. This partition E is secured at the edges thereofto the side wall of the casing B, the

lower edge of said partition meeting the center of the screen; coveringD over the inlet air passageway and the screen D covering. the outletair passageway.

Arranged upon opposite sides of this central partition E are otherpartition. or dividing walls E' -E', theside edges of which are azlsosecured to the wall of the casing B. The partitions E '-E- are curvedfrom end to endv thereof; forming a concave-convex wall curving from endto end thereof, the concave side of each of said'walls E'E being turnedtoward the open ends of the easing A, forming an air channelthereth-rough.

It will be observed that these curved walls extend at the bottom thereofto the screens D--D" above the sides of the wall of the casing B, butnot in contact with the wall forming the air channel casing A Thesepartition walls extend at different lengths from the screen through the:casing toward the wall of the tubular member A, and form deflectors orfor the air currents passing into or out of the car. The curve on thelower end of each partition E- 2 will cause an air current or eddy toform B, causing any dust or small rectly through said channel A when thevehicle is moving will carry any. dust or fly-;

ing particles through tlm channel to atmosphere.

The suppgrting. frame G-is+provided with a longitu ally extending recessupon one side thereotwhich is lined with felt or other more or lessflexible materialF, which recess when the device is placed in positionreceives the glass F forming the window of w-Ethe car, or it may receivea frame holding said glass in the window as one which is set in aframe."

G is a section of the frame or window sash within which the ventilatoris placed. Whenthe device is assembled and placed in position, thescreen openings are uponthe interior of the car. These openingsv may beclosed by drawing the sliding doors CC together in the position shown indotted lines in Fig. 1. When a circulation of air is desired in the car,the :doors C'C'*Jare opened, freshair is drawninto the air channel A,through the. end of the ventilator extending in the direction of travelof the car and as the air currentpasses through the opening a or a, itstrikes the partitions E'E in said channel and is deflected toward andthrough the screen openings into the car; any dust or cinders enteringthe air channel will strike the partitions E'E and fall to the bottom ofthe casing B, and out through the opening B.

The screenopening extending'toward the rear of the car in the; directionof its travel,

, permits the air within thecar to ass outthrough said screen opening"and tween the partition E or E into the air channel A and out toatmosphere at the rear of the ventilator. It will be seen that Ihaveprovided a ventilator which is in one compact structure, the inlet andexhaust opening automatically operating though the car is moving forwardor backward; and themeans forregulating the size of the inlet andexhaust openings is positioned within the inside of the car makingconvenient for the occupant to open enclose the same as desired. I Ihave also :shown and described a ventilatea provided with a plurality ofpartitions spaced apart in the casing between the air channel andsupporting 'member, but Icontemplate the use-of a ventilato'rhaving butone central partition E lthe incoming air. being diverted from saidpartition through the opening into the interior ofthe car and the impureair from the car .exhausting through the opening upon the opposite side.

both ends andha'ving an opening alon one side. thereof, a hollowsupporting rame joined to said casing about the said opening, saidsupporting frame being of-a size snugly, to fit within the windowopening of the vehicle and provided with an opening communicating withthe interior of the structure to be ventilated, the edge of said framebeing provided with a padded channel within which the edge of the windowis received,

a plurality of stationary partitions carried by saidsupporting frame andextending into said casing, and adjustable closure plates forcontrolling the size of the lastv mentioned opening. a

2. In a ventilator for a closed vehicle, the combination of a tubularcasing open at both ends and having an opening along one side thereof, ahollow supporting frame joined to said casing about the said opening,said supporting frame being of a size snugly to fit within the openingof the vehicle and provided with an opening communicating with theinterior of the structure to be ventilated, the edge of said frame beingpro vided with resilient means arranged to receive the edge of thewindow, a plurality of stationary partitions carriedby said supportingframe and extending-into said casing'and adjustable closure plates forcontrolling the size of the last mentioned opening 3. A vehicleventilator comprising a tu bular vehicle casing open at its ends and.having an opening along one side, a supporting frame of a size snugly tofit within the window opening of a vehicle and provided with an opening,a tubular member having imperforate side walls joining said casing tosaid frame and havingits opposite ends positioned within the opening ofsaid casing and said frame respectively, a plurality of partitionswithin the tubular member and extending into the casing but stoppingshort of the outer side to leave an opening) for the flow of air thereband an adjusta 1e closure carried'by the amef for closing the opening inthe frame.

4. A vehicle ventilator comprising a tu-' bular casing open at both ends'and'having an opening along one side thereof, a su portingframe of asize snu ly to 'fit withln: I

an opening of a vehicle an provided'with' an opening, imperforate meansjoinin the than the intermediate partitions, said parclosure carried bysaid frame for controlling the passage of air therethrough.

, 5. A vehicle ventilator comprising a tubular casing open at its endsand having an opening along one side, a supporting frame a size snuglyto fit within the window opening of a vehicle and provided with anopening, a tubular member oining said casin to said frame and having itsop osite enfis positioned within the openin s 0 said casing and saidframe respective y, a plurality of partitions within the tubular memherand extending into the casing, the partitions adjacent to the ends ofthe casing extending into the casing a less distance titions beingarranged to leave an opening for the flow of air thereby, and anadjustable closure carried by the frame for controlling the size of theopening in the frame.

6. A vehicle ventilator 'comprisin a tubular casing open at both endsand aving an opening alon one side thereof, a supporting frame 0 a sizesnugl to fit within the window opening of a ve icle and constructed topermit assage of the air through said frame, imper orate means joiningthe edge of the opening in the tubular casing with said frame, aplurality of stationary air deflecting partitions within the saidtubular casing and extending only part way across the same leaving apassage for air at the outer side of the casing, and an ad justableclosure carried by said frame for controlling the passage of airtherethrough.

7. In a ventilator, a tubular easing open at both ends and having anopening along one side thereof, a supporting frame member thereforhaving an opening therein similar to and substantially alined with theopening in the casing, a hollow member joining said casing to said'frameand havmg imperforate si e walls, a stationary partition mounted todivide the opening said frame into two similar parts and pro ectmg intosaid casing, but arranged to permit the passage of air thereby and aclosure plate arranged to control the size of the frame opening.

8. A vehicle ventilator comprisinga tubular casing open at its ends andhaving an opening along one side, a supporting frame of a size snugly tofit within an opening of a vehicle and provided with an opening, atubular member having imperforate side walls joining said casin to saidframe and having its opposite en s positioned within the openings ofsaid casing and said frame respectively, a stationary partition withinthe tubular member and extending a major distance across the casing butarranged to leave an opening for the flow of air thereby, and anadjustable closure carried by the frame for controlling the size of theopening in the frame.

9. In a ventilator for a closed vehicle, the combination'of tubularcasing open at both ends and having an opening along one side thereof, ahollow supportin frame joined to said casing about the sai opening, saidsupporting frame being of a size snugly to fit within the window openingof the vehicle and provided with an opening communicating with theinterior of the structure to be ventilated, an edge of said frame beingprovided with a resilient recess within which the edgeof the window isreceived, a stationary partition carried by said supporting frame andextending into said casing intermediate the ends thereof and adjustableclosure plates for controlling the size of the last mentioned opening.

In testimony whereof I have signed this specification.

FRANK R. STARK.

